public int GetPaletteIndex(Color color)
{
int result;
color = QuantizationHelper.ConvertAlpha(color);
if (!cache.TryGetValue(color, out result))
{
result = QuantizationHelper.GetNearestColor(color, palette);
cache[color] = result;
}
return(result);
}
/// <summary>
/// Gets the index of the palette for specific color.
/// </summary>
/// <param name="color">The color.</param>
/// <returns></returns>
public Int32 GetPaletteIndex(Color color)
{
Int32 result;
color = QuantizationHelper.ConvertAlpha(color);
// checks whether color was already requested, in that case returns an index from a cache
if (!cache.TryGetValue(color, out result))
{
// otherwise finds the nearest color
result = QuantizationHelper.GetNearestColor(color, palette);
cache[color] = result;
}
// returns a palette index
return(result);
}